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| 1 | +package com.margelo.nitro.rive |
| 2 | + |
| 3 | +import android.util.Log |
| 4 | +import androidx.annotation.Keep |
| 5 | +import app.rive.runtime.kotlin.fonts.FontFallbackStrategy |
| 6 | +import app.rive.runtime.kotlin.fonts.FontHelper |
| 7 | +import app.rive.runtime.kotlin.fonts.Fonts |
| 8 | +import com.facebook.proguard.annotations.DoNotStrip |
| 9 | +import com.margelo.nitro.NitroModules |
| 10 | +import com.margelo.nitro.core.ArrayBuffer |
| 11 | +import com.margelo.nitro.core.Promise |
| 12 | +import java.net.URL |
| 13 | +import kotlinx.coroutines.Dispatchers |
| 14 | +import kotlinx.coroutines.withContext |
| 15 | + |
| 16 | +@Keep |
| 17 | +@DoNotStrip |
| 18 | +class HybridRiveFontConfig : HybridRiveFontConfigSpec() { |
| 19 | + companion object { |
| 20 | + private const val TAG = "RiveFonts" |
| 21 | + private const val DEFAULT_WEIGHT = 0 |
| 22 | + private val fontsByWeight: MutableMap<Int, List<HybridFallbackFontSpec>> = |
| 23 | + java.util.Collections.synchronizedMap(mutableMapOf()) |
| 24 | + |
| 25 | + private fun resetFontCache() { |
| 26 | + try { |
| 27 | + FontFallbackStrategy.cppResetFontCache() |
| 28 | + } catch (e: Exception) { |
| 29 | + Log.e(TAG, "Failed to reset font cache: ${e.message}") |
| 30 | + } |
| 31 | + } |
| 32 | + } |
| 33 | + |
| 34 | + override fun loadFontFromURL(url: String): Promise<HybridFallbackFontSpec> { |
| 35 | + return Promise.async { |
| 36 | + val fontBytes = withContext(Dispatchers.IO) { |
| 37 | + URL(url).readBytes() |
| 38 | + } |
| 39 | + HybridFallbackFont(fontBytes) |
| 40 | + } |
| 41 | + } |
| 42 | + |
| 43 | + override fun loadFontFromResource(resource: String): HybridFallbackFontSpec { |
| 44 | + val context = NitroModules.applicationContext |
| 45 | + ?: throw Error("Application context not available") |
| 46 | + |
| 47 | + val resName = resource.substringBeforeLast(".") |
| 48 | + |
| 49 | + val rawId = context.resources.getIdentifier(resName, "raw", context.packageName) |
| 50 | + if (rawId != 0) { |
| 51 | + val fontBytes = context.resources.openRawResource(rawId).use { it.readBytes() } |
| 52 | + return HybridFallbackFont(fontBytes) |
| 53 | + } |
| 54 | + |
| 55 | + val fontId = context.resources.getIdentifier(resName, "font", context.packageName) |
| 56 | + if (fontId != 0) { |
| 57 | + val fontBytes = context.resources.openRawResource(fontId).use { it.readBytes() } |
| 58 | + return HybridFallbackFont(fontBytes) |
| 59 | + } |
| 60 | + |
| 61 | + val assetPaths = listOf("fonts/$resource", resource) |
| 62 | + for (assetPath in assetPaths) { |
| 63 | + try { |
| 64 | + val fontBytes = context.assets.open(assetPath).use { it.readBytes() } |
| 65 | + return HybridFallbackFont(fontBytes) |
| 66 | + } catch (_: Exception) { |
| 67 | + } |
| 68 | + } |
| 69 | + |
| 70 | + throw Error("Font resource not found: $resource (checked res/raw, res/font, assets/fonts)") |
| 71 | + } |
| 72 | + |
| 73 | + override fun loadFontFromBytes(bytes: ArrayBuffer): HybridFallbackFontSpec { |
| 74 | + val buffer = bytes.getBuffer(false) |
| 75 | + val byteArray = ByteArray(buffer.remaining()) |
| 76 | + buffer.get(byteArray) |
| 77 | + return HybridFallbackFont(byteArray) |
| 78 | + } |
| 79 | + |
| 80 | + override fun loadFontByName(name: String): HybridFallbackFontSpec { |
| 81 | + val fonts = FontHelper.getFallbackFonts(Fonts.FontOpts(familyName = name)) |
| 82 | + if (fonts.isEmpty()) { |
| 83 | + throw Error("System font not found: $name") |
| 84 | + } |
| 85 | + val fontBytes = FontHelper.getFontBytes(fonts.first()) |
| 86 | + ?: throw Error("Could not read font bytes for: $name") |
| 87 | + return HybridFallbackFont(fontBytes) |
| 88 | + } |
| 89 | + |
| 90 | + override fun getSystemDefaultFont(): HybridFallbackFontSpec { |
| 91 | + return HybridDefaultFallbackFont() |
| 92 | + } |
| 93 | + |
| 94 | + override fun setFontsForWeight(weight: Double, fonts: Array<HybridFallbackFontSpec>) { |
| 95 | + val key = weight.toInt() |
| 96 | + synchronized(fontsByWeight) { |
| 97 | + fontsByWeight[key] = fonts.toList() |
| 98 | + } |
| 99 | + } |
| 100 | + |
| 101 | + override fun applyFallbackFonts(): Promise<Unit> { |
| 102 | + return Promise.async { |
| 103 | + FontFallbackStrategy.stylePicker = object : FontFallbackStrategy { |
| 104 | + override fun getFont(weight: Fonts.Weight): List<ByteArray> { |
| 105 | + val requestedWeight = weight.weight |
| 106 | + val specs = synchronized(fontsByWeight) { |
| 107 | + fontsByWeight[requestedWeight] ?: fontsByWeight[DEFAULT_WEIGHT] ?: emptyList() |
| 108 | + } |
| 109 | + return specs.mapNotNull { spec -> |
| 110 | + when (spec) { |
| 111 | + is HybridDefaultFallbackFont -> |
| 112 | + FontHelper.getFallbackFontBytes(Fonts.FontOpts(weight = weight)) |
| 113 | + is HybridFallbackFont -> |
| 114 | + spec.fontBytes |
| 115 | + else -> { |
| 116 | + Log.e(TAG, "Unknown fallback font spec type: ${spec::class.simpleName}") |
| 117 | + null |
| 118 | + } |
| 119 | + } |
| 120 | + } |
| 121 | + } |
| 122 | + } |
| 123 | + resetFontCache() |
| 124 | + } |
| 125 | + } |
| 126 | + |
| 127 | + override fun clearFallbackFonts(): Promise<Unit> { |
| 128 | + return Promise.async { |
| 129 | + synchronized(fontsByWeight) { |
| 130 | + fontsByWeight.clear() |
| 131 | + } |
| 132 | + FontFallbackStrategy.stylePicker = null |
| 133 | + resetFontCache() |
| 134 | + } |
| 135 | + } |
| 136 | +} |
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